136321441 has 16 divisors (see below), whose sum is σ = 141724800. Its totient is φ = 131068800.

The previous prime is 136321411. The next prime is 136321469. The reversal of 136321441 is 144123631.

It is a cyclic number.

It is not a de Polignac number, because 136321441 - 2¹⁹ = 135797153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136321411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902716 + ... + 902866.

It is an arithmetic number, because the mean of its divisors is an integer number (8857800).

Almost surely, 2^136321441 is an apocalyptic number.

It is an amenable number.

136321441 is a deficient number, since it is larger than the sum of its proper divisors (5403359).

136321441 is a wasteful number, since it uses less digits than its factorization.

136321441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its digits is 1728, while the sum is 25.

The square root of 136321441 is about 11675.6773251062. The cubic root of 136321441 is about 514.6611539223.

The spelling of 136321441 in words is "one hundred thirty-six million, three hundred twenty-one thousand, four hundred forty-one".